In several parts of the country, public school teachers are all but refusing to work.

Members of the Chicago Teachers Union voted overwhelmingly on Sunday to stay home and continue to teach remotely even though district officials are trying to reopen schools for in-person learning. Fairfax’s union is threatening to do the same thing if administrators ask teachers to return to the classroom next fall — regardless of the fact that teachers will have been vaccinated by then. And in Los Angeles, public school teachers are saying they won’t go back until every single student is vaccinated as well, even though children under the age of 16 are not even medically permitted to receive the vaccine right now.